<!doctype html>
<html lang="zh-CN">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
</head>
<p id='p'>hello world</p >

<script>
        function test(){
            document.getElementById("p").innerHTML += " 你好！"
        }
</script>

<button onclick="app.actionFormJs('js调用安卓方法！')">调用安卓方法</button>

</html>